While her husband is on a business trip, Reiko spends her boring days doing housework, raising children, and working part-time. Recently, she has become friends with Azuma, a student who has been spending a lot of time working part-time... Taking advantage of her husband's absence, she accepts a limited-time affair. Since then, the two have been repeatedly having a deep affair, regardless of where they are, during their breaks from work. Reiko's body becomes violently disturbed as she drowns in intense pleasure in a limited amount of time. Before she knew it, she started to feel aching all the time, and she began to get hot and wet for the young man's cock...